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NUMERICAL SIMULATION ON THE JIAOLAI CANAL WITH A 1-D AND 2-D COUPLING MODEL
Author(s): 
Pages: 145-151
Year: Issue:  2
Journal: Oceanologia et Limnologia Sinica

Keyword:  渤海胶莱运河耦合模型半交换周期;
Abstract: 运用一、二维耦合模型,考虑季节性风生海流和潮流的作用,对开凿胶莱运河改善渤海水质的效果进行了初步研究.以海水半交换周期和运河的净流量为衡量的主要指标,进行四种运河规模的模拟实验,评估各种开渠规模治污的效益.模拟结果显示,开凿运河后,运河的流向随潮汐过程变化,但能够形成少量由胶州湾向莱州湾的净流量,通过运河的年净流量与运河规模成正比,为渤海海峡年过水量的1‰-2.5‰.运河规模达到5000m(宽)×20m(深),海水半交换周期仅缩短3%.因此,开凿胶莱运河改善渤海水质的效果不明显,渤海污染治理的关键应该是污染源头控制和管理.
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